Feature

●Suit 39 - 42 mm microscope eyepiece or binoculars telescopes.
●Item Type: Microscope Eyepiece Rubber Eye Cups. Product Type: Microscope Eyepieces.
●An essential microscope accessory . is a practical accessory, easy to install.
●Please contact us directly for immediate assistance if you have any problem with our product, we would be very pleased to help you and we will reply as soon as we can.

Description

Inner Diameter: about 40 mmQuantity: 1 pair (2 pieces)Note:Please allow 1-3cm error due to manual measurement. Thanks for your understanding.